Hello everyone, I just found your site and I hope someone can help me with a few questions. I recently purchased a small (15x25) log cabin in Maine. The cabin sits on a concrete slab and appears to made of left over log ends. They are the kind of logs that have a wide tongue on top and groove on the bottom, but the pieces are only about 3 feet long. Because the logs are so short, there are a lot of seems, a bit of settling and some air/water infiltration. I am considering caulking and chinking as much as possible and then covering the structure with Tyvek. I would then add 2x4s vertically at 2 foot intervals, fill those cavities with 1.75" Styrofoam insulation and cover that with pine slabs as siding. Does anyone see a problem with this?
the Tyvek should be the last barrier between the 2x4 and pine siding. a rigid insulation may not be the most effective in the space... id go with some natural fiber insulation that would infil better. you may want to put a thin rigid insulation on the 2x4 framing before the tyvek to give you a thermal break between the logs and 2x4 assembly. You stated that there was water infiltration... none of this addresses that issue unless it is just wind driven through the gaps in the logs or.... an issue with the connection at the foundation or the roof? imho
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